Christina Siau
Physician Assistant · Ithaca, NY
Christina Siau is a physician assistant with a practice address in Ithaca, New York, and NPI 1245601574, issued on Oct 13, 2015. Check the license (New York 019037, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Christina Siau
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 019037 NY
Self-reported in NPPES; status is on the state search - Practice location
- 101 Dates Dr, Ithaca, NY 14850
- Phone
- (607) 274-4011
- Enumerated
- Oct 13, 2015
- Record last updated
- Sep 24, 2022
- Medicare enrollment
- Enrolled (PECOS I20221020002785); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 15,555 in New York → Look up another NPI →
Also registered at 101 Dates Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mansour AbdulkyPharmacist1588398598
- Rakshya AdhikariStudent in an Organized Health Care Education/Training Program1699535856
- Ali Akram, MDInternal Medicine Physician1285123752
- Richard Allen, MDEmergency Medicine Physician1932207032
- Sheila Ariel, DPTPhysical Therapist1831668490
- Hannah Armstrong, FNPFamily Nurse Practitioner1417633843
Verify Christina Siau in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 019037Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average physician assistant in 2024
26 Medicare Part D claims for 14 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 95.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Cayuga Medical Associates PCIthaca, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christina Siau among 15,555 physician assistant records in New York
Christina Siau is one of 15,555 physician assistant records with a practice address in New York. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 40% of them.
- NPI issued2015 · 40% of these records are older, 57% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2015 · median 2018 among the 8,158 with a school on file
- Record last updated2022 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
94 physician assistant records list a practice address in Ithaca
They are 94 of the 2,215 NPPES records with a practice address in Ithaca, and 15,555 physician assistant records in New York.
All 15,555 in New York → Every provider in Ithaca → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Joseph Blood, PACIthaca, NY 148501679501811
- Thomas Brown, PAIthaca, NY 148501144323049
- George Cameron, PACIthaca, NY 148501417926692
- Susan Carlisle, RPA-CIthaca, NY 148501225042443
- Arthur George, RPACIthaca, NY 148501306925912
- Kelli Hektor, P.A.Ithaca, NY 148501407956980
- Julie Higgins, PAIthaca, NY 148501073534590
- Paul Jones, PACIthaca, NY 148501013008457
Common questions
What is Christina Siau's NPI number?
Christina Siau's National Provider Identifier (NPI) is 1245601574, issued on Oct 13, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Christina Siau located?
The NPPES record lists a practice address at 101 Dates Dr, Ithaca, NY, 14850. Phone: (607) 274-4011. Providers update this record themselves, so call before visiting.
How can I verify Christina Siau's license?
NPPES lists New York license number 019037, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Christina Siau prescribe under Medicare Part D?
In 2024, Christina Siau had 26 Medicare Part D claims for 14 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Christina Siau's MIPS final score?
The 2023 MIPS final score is 95.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.